Legrand Wireless Lighting
Installation in existing three-way circuits
WARNING:
PLEASE READ THIS ENTIRE GUIDE BEFORE BEGINNING INSTALLATION OF YOUR RF LIGHTING OR REMOVAL OF
YOUR OLD SWITCH. INCORRECT INSTALLATION CAN CAUSE SERIOUS INJURY AND POTENTIAL DAMAGE TO YOUR
RF LIGHTING SYSTEM OR YOUR HOME.
Before you Start
Review this guide in its entirety before beginning device installation. Please be advised that nothing
found in this guide can anticipate your situation or has been reviewed by people with the expertise
required or knowledge of your specific project, environment, electronics, electrical products or
equipment to provide you with complete, accurate or reliable information. This guide does not
constitute, guarantee or provide, expressly or implicitly, nor does it replace, professional advice.
ALWAYS READ AND FOLLOW INSTRUCTION MANUALS AND SAFETY WARNINGS PROVIDED BY THE
MANUFACTURER OF THE PRODUCT YOU ARE USING.
Any advice or guidance provided in this guide is for informational purposes only. If you are in any
way unsure about completing any aspect of this, DO NOT undertake the work yourself and consult a
qualified electrical contractor to undertake the project for you.
NOTE: THIS GUIDE IS NOT INTENDED FOR WIFI SMART LIGHTING PRODUCTS THAT UTILIZE
TRADITIONAL 3WAY WIRING. PLEASE SEE THEIR INSTALLATION GUIDES FOR 3WAY WIRING OF
THOSE PRODUCTS.
WARNING: INCORRECT INSTALLATION COULD RESULT IN DEATH, SERIOUS INJURY, AND/
OR DAMAGE TO YOUR HOME OR DEVICES.
WARNING: INSTALL IN ACCORDANCE WITH ALL NATIONAL AND ELECTRICAL CODES.
To reduce the risk of injury and/or overheating and damage to other equipment:
• For dry, indoor use only.
• Do not use to power medical equipment.
• Not suitable as a disconnecting means.
• Do not use with loads exceeding the device load rating (see product installation sheet).
• Connect the smart device to a 120 VAC, 60 Hz power source ONLY.
• Remote devices do NOT connect to any lighting loads. It is powered by your electrical wiring and
uses a wireless connection to control paired devices.
• Always use copper wire to install the smart remote dimmer.
• Install in a non-metallic electrical box to protect wireless signal strength.
• Visit the Legrand website at www.legrand.us/radiant/smart-lighting.aspx to learn more about
your smart device.
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WARRANTY DISCLAIMER
USE OF THIS GUIDE IS AT YOUR SOLE RISK. ALL MATERIALS, INFORMATION, PRODUCTS AND SERVICES ARE PROVIDED “AS
IS,” WITH NO WARRANTIES OR GUARANTEES WHATSOEVER. LEGRAND, NORTH AMERICA (“LNA”) EXPRESSLY DISCLAIMS TO
THE FULLEST EXTENT PERMITTED BY LAW ALL EXPRESS, IMPLIED, STATUTORY, AND OTHER WARRANTIES, GUARANTEES, OR
REPRESENTATIONS, INCLUDING, WITHOUT LIMITATION, THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE, AND NON-INFRINGEMENT OF PROPRIETARY AND INTELLECTUAL PROPERTY RIGHTS.
SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION OF WARRANTIES, SO THE ABOVE EXCLUSIONS MAY NOT APPLY TO YOU.
LIMITATION OF LIABILITY
IN NO EVENT WILL LNA BE LIABLE TO ANY PARTY FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY OR
CONSEQUENTIAL DAMAGES OF ANY TYPE WHATSOEVER RELATED TO OR ARISING FROM THIS GUIDE OR ANY USE OF THIS
GUIDE, OR OF ANY SITE OR RESOURCE LINKED TO, REFERENCED, OR ACCESSED THROUGH THIS GUIDE, INCLUDING, WITHOUT
LIMITATION, ANY LOST PROFITS, BUSINESS INTERRUPTION, LOSS OF PROPERTY, COST OF REMOVAL, INSTALLATION OR
REINSTALLATION, EVEN IF LNA IS EXPRESSLY ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. THIS EXCLUSION AND
WAIVER OF LIABILITY APPLIES TO ALL CAUSES OF ACTION, WHETHER BASED ON CONTRACT, WARRANTY, TORT, OR ANY OTHER
LEGAL THEORIES.
What you Need
REQUIRED:
• Phillips-head screwdriver
• Flat blade screwdriver
• Non-contact voltage tester
YOU MAY ALSO NEED:
• Pliers, wire cutter, wire stripper, electrical tape, flashlight, wiring leads (included),
and wire nuts (included)
• NOTE: Do NOT use a power screwdriver or other power tool to install the device as it may lead
to over-tightening. Over-tightening screws can damage the device and cause a mechanical
malfunction.
These instructions are meant to supplement the installation sheets provided in your product’s
original packaging. Please read all documents completely before beginning. The remote 3-way
wiring instructions detailed in this document are applicable for remote products from the following
collections only:
• radiant Smart Lighting
• radiant RF Lighting Control
• radiant Apple HomeKit Lighting
• Adorne Wireless Lighting
This document does NOT apply to the follow products:
• radiant WWRL50 Smart Wi-Fi Tru-Universal Dimmer*
• radiant WWRL10 Smart Wi-Fi Switch**
*The WWRL50 works with Legrand HMR Multi-location remotes for 3 way dimming.
**The WWRL10 switch works with any mechanical 3-way switch
Type B
This circuit has power coming to one of the switch
boxes. It carries power through the load to the other
box. It can be identified by one box containing a single
2-wire and a single 3-wire. The other box will have a
single 3-wire, while the load will have two 3-wires.
NOTE: For this wiring you will need to locate the
light fixture that is directly connected to the circuit
as shown.
Type A
This circuit has power coming to one of the switch
boxes first. It carries power from the panel through
both boxes before connecting to the load. It can be
identified by both boxes containing a single 2-wire
and a single 3-wire. The load will have a single 2-wire
feeding it.
Step 1
Prepare existing devices.
Switch power off at the panel.
Remove both switch plates.
Pull devices from their boxes.
Use a non-contact voltage tester to verify all wires have no
power. (Follow the instructions provided with the tester.)
Disconnect wires and CAP ENDS.
Step 2
Identify the existing wiring.
Determine which circuits are connected by
identifying the wires in each box. Use the
diagrams below as a guide.
If your circuits are not Type A, B or C below,
stop immediately and contact licensed
electrician for assistance.
Type C
This circuit has power coming to the load first. It
can be identified by two boxes with a single 3-wire in
each. The load will have two 3-wires, one to each box
and a 2-wire coming in from the panel.
NOTE: For this wiring you will need to locate the
light fixture that is directly connected to the circuit
as shown.
!
+
3-wire
Supply Side Load Side
2-wire2-wire 3-wire
+
3-wire3-wire
Switch Leg
Side
Load Side
+
3-wire
Supply Side Load Side
2-wire 3-wire
Key
Neutral
Common
Hot
Ground
Load
Breaker
Panel
Load
Load
Breaker
Panel
Breaker
Panel
Load
Breaker
Panel
Load
Load
Breaker
Panel
Breaker
Panel
3
wire
3
wire
Load
Breaker
Panel
Load
Load
Breaker
Panel
Breaker
Panel
3
wire
2
wire
3
wire
Step 3
Prepare accordingly.
Once you have determined the wiring type that you have,
follow the steps that correspond with that Circuit Type (A,
B, or C). If you are unsure, stop immediately and contact a
licensed electrician for assistance.
Note: It may be helpful to label your boxes while working
to easily identify the Load and Supply
Supply Side
Switch Leg Side
Load Side
Load Side
Load
Breaker
Panel
Load
Load
Breaker
Panel
Breaker
Panel
2
wire
3
wire
3
wire
2
wire
Load SideSupply Side
Type A
Step A1
Locate the HOT and LOAD sides of the circuit.
Switch power ON at the panel.
Use a non-contact voltage tester to locate and LABEL
the HOT wire. Make sure to check both switch locations.
(Follow the instructions provided with the tester.)
Switch power OFF at the panel.
The device with the HOT wire is the SUPPLY side of the
circuit. This is where the Remote will be installed.
The remaining device is the LOAD side. This will be
where the Master will be installed.
Step A2
Connect your new switches or dimmers.
Switch power OFF at the panel.
Use a non-contact voltage tester to verify that
all wires have no power. (Follow the instructions
provided with the tester.)
Wire your new Legrand devices per the diagram
below by first connecting Remote to the supply side
using the instructions included. (Remember, the
device with the HOT wire is the SUPPLY side of the
circuit.)
Next, connect Master to the LOAD side using the
included instructions.
Supply Side
Remote
Key
Neutral
Common
Hot
Ground
Load
Breaker
Panel
Load
Load
Breaker
Panel
Breaker
Panel
Always properly
ground your
devices according
to device
instructions.
Step A3
Finish installation and setup.
Install wall plates.
Switch power ON at the panel.
Verify control from the Master Switch.
Complete setup of remote device(s) per device instructions.
!
White
Hot
Load
White
Hot
White
Hot
White
Hot
Load
Breaker
Panel
Load
Breaker
Panel
White
Hot
Load
Load
!
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!
White
Hot
Breaker
Panel
!
!
Load
!
!
!
!
!
!
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!
!
Load Side
Master
!
!
!
Step B1
Locate the HOT and LOAD sides of the circuit.
Ensure power is OFF at the panel.
Locate the box with both a 2-wire and a 3-wire.
This is the SUPPLY side of the circuit.
The remaining box is the LOAD side.
Step B2
Connect your new switches or dimmers.
Wire your new Legrand devices per the diagram
below by first connecting Remote to the supply side
using the included instructions.
Next, connect Master to the LOAD side using the
included instructions.
Rewire the light fixture per the diagram shown
below.
!
White
Hot
Load
White
Hot
White
Hot
White
Hot
Load
Breaker
Panel
Load
Breaker
Panel
White
Hot
Load
Load
!
!
!
White
Hot
Breaker
Panel
!
!
Load
!
!
!
!
!
!
!
!
!
Type B
Supply Side
Remote
Step B3
Finish installation and setup.
Install wall plates.
Switch power ON at the panel.
Verify control from the Master Switch.
Complete setup of remote device(s) per device
instructions.
Load Side
Master
Key
Neutral
Common
Hot
Ground
Load
Breaker
Panel
Load
Load
Breaker
Panel
Breaker
Panel
Always properly
ground your
devices according
to device
instructions.
!
!
Type C
Step C1
Locate the HOT and LOAD sides of the circuit.
Ensure power is OFF at the panel.
Locate the box with both a 2-wire and a 3-wire.
This is the LEG side of the circuit.
The remaining box is the LOAD side.
Step C2
Connect your new switches or dimmers.
Wire your new Legrand devices per the diagram
below by first connecting Remote to the supply side
using the included instructions.
Next, connect Master to the LOAD side using the
included instructions.
Rewire the light fixture per the diagram shown
below.
Switch Leg Side
Remote
!
White
Hot
Load
White
Hot
White
Hot
White
Hot
Load
Breaker
Panel
Load
Breaker
Panel
White
Hot
Load
Load
!
!
!
White
Hot
Breaker
Panel
!
!
Load
!
!
!
!
!
!
!
!
!
Step C3
Finish installation and setup.
Install wall plates.
Switch power ON at the panel.
Verify control from the Master Switch.
Complete setup of remote device(s) per device instructions.
Load Side
Master
Key
Neutral
Common
Hot
Ground
Load
Breaker
Panel
Load
Load
Breaker
Panel
Breaker
Panel
Always properly
ground your
devices according
to device
instructions.
!
!
FOLLOW US
designed to be better
™
Legrand, North America
60 Woodlawn Street
West Hartford, CT 06110
1.877.BY.LEGRAND (295.3472)
www.legrand.us
570 Applewood Crescent
Vaughan, Ontario L4K 4B4
905.738.9195
www.legrand.ca
From the world leader in electrical switches and outlets -
http://www.legrand.us/3wayinstallationinstructions
TRANSFORM YOUR SPACES
WITH LEGRAND
©2018 by Legrand. All Rights Reserved. 10M - WS/AP - 06/18 - Part # BR0631181
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